Rule 34 Dev - 1girl alternate_costume animal_ears blush breasts brown_hair buruma cloud commentary_request green_eyes hair_between_eyes hair_ornament horse_ears horse_girl horse_tail looking_at_viewer medium_breasts one_eye_closed open_mouth rhein_kraft_(umamusume) sky solo star_(symbol) star_hair_ornament tail umamusume v yumesato_makura|22084602462